/* 免费商店 — 复用 landing 变量，卡片对齐 account 白底描边 */
.st-main {
  flex: 1;
  padding: 2.5rem 0 3.5rem;
  min-height: calc(100vh - 4rem - 5rem);
}

.st-inner {
  width: min(100% - 2rem, 64rem);
  margin-inline: auto;
}

.st-hero {
  text-align: center;
  margin-bottom: 1.75rem;
}

.st-hero h1 {
  margin: 0;
  font-family: var(--lp-display);
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--lp-ink);
}

.st-hero p {
  margin: 0.65rem 0 0;
  font-size: 0.98rem;
  color: var(--lp-muted);
  max-width: 36rem;
  margin-inline: auto;
}

.st-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.st-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.st-filter {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  border-radius: 0.55rem;
  border: 1px solid var(--lp-line);
  background: #fff;
  font-size: 0.88rem;
  color: var(--lp-muted);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.st-filter:hover {
  color: var(--lp-ink);
  background: var(--lp-bg);
}

.st-filter.is-active {
  border-color: #cbd5e1;
  background: #f1f5f9;
  color: var(--lp-ink);
  font-weight: 600;
}

.st-search {
  display: flex;
  gap: 0.5rem;
  flex: 1;
  min-width: 12rem;
  max-width: 22rem;
  margin-left: auto;
}

.st-search input {
  flex: 1;
  min-width: 0;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--lp-line);
  border-radius: 0.55rem;
  background: #fff;
  font: inherit;
  font-size: 0.92rem;
  color: var(--lp-ink);
}

.st-search input:focus {
  outline: none;
  border-color: #94a3b8;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.12);
}

.st-search button {
  padding: 0.55rem 1rem;
  border: 1px solid var(--lp-line);
  border-radius: 0.55rem;
  background: #fff;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--lp-ink);
  cursor: pointer;
}

.st-search button:hover {
  background: var(--lp-bg);
}

.st-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .st-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .st-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.st-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--lp-line);
  border-radius: var(--lp-radius);
  background: #fff;
  padding: 1.15rem 1.1rem 1.2rem;
  min-height: 10.5rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.st-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
}

.st-card__badge {
  display: inline-flex;
  align-self: flex-start;
  padding: 0.15rem 0.5rem;
  border-radius: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: #f1f5f9;
  color: var(--lp-muted);
  margin-bottom: 0.65rem;
}

.st-card__badge--official {
  background: #ecfdf5;
  color: #047857;
}

.st-card__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--lp-ink);
  line-height: 1.35;
}

.st-card__desc {
  margin: 0.45rem 0 0;
  flex: 1;
  font-size: 0.88rem;
  color: var(--lp-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.st-card__meta {
  margin-top: 0.9rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--lp-line);
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--lp-muted);
}

.st-empty {
  border: 1px solid var(--lp-line);
  border-radius: var(--lp-radius);
  background: #fff;
  padding: 2.5rem 1.25rem;
  text-align: center;
  color: var(--lp-muted);
  font-size: 0.95rem;
}

.st-pager {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  margin-top: 1.75rem;
}

.st-pager a,
.st-pager span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 0.55rem;
  border-radius: 0.45rem;
  border: 1px solid var(--lp-line);
  background: #fff;
  font-size: 0.88rem;
  color: var(--lp-muted);
}

.st-pager a:hover {
  color: var(--lp-ink);
  background: var(--lp-bg);
}

.st-pager .is-current {
  background: #f1f5f9;
  color: var(--lp-ink);
  font-weight: 700;
  border-color: #cbd5e1;
}

.st-pager .is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* 详情 */
.st-detail {
  border: 1px solid var(--lp-line);
  border-radius: var(--lp-radius);
  background: #fff;
  padding: 1.5rem 1.35rem 1.75rem;
}

.st-back {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.88rem;
  color: var(--lp-muted);
  margin-bottom: 1rem;
}

.st-back:hover {
  color: var(--lp-ink);
}

.st-detail__badge {
  display: inline-flex;
  padding: 0.15rem 0.5rem;
  border-radius: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  background: #f1f5f9;
  color: var(--lp-muted);
  margin-bottom: 0.65rem;
}

.st-detail__badge--official {
  background: #ecfdf5;
  color: #047857;
}

.st-detail__title {
  margin: 0;
  font-family: var(--lp-display);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 700;
  color: var(--lp-ink);
  line-height: 1.3;
}

.st-detail__desc {
  margin: 0.75rem 0 0;
  font-size: 0.98rem;
  color: var(--lp-muted);
  line-height: 1.6;
  white-space: pre-wrap;
}

.st-detail__dl {
  margin-top: 1.35rem;
  display: grid;
  gap: 0.85rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--lp-line);
}

.st-detail__row {
  display: grid;
  gap: 0.2rem;
}

@media (min-width: 640px) {
  .st-detail__row {
    grid-template-columns: 8rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

.st-detail__label {
  font-size: 0.85rem;
  color: var(--lp-muted);
}

.st-detail__value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--lp-ink);
  word-break: break-word;
}

.st-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.st-actions .lp-btn {
  cursor: pointer;
  border: none;
}

.st-hint {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  color: var(--lp-muted);
}